Blender - Blender is the open source, cross platform suite of tools for 3D creation.
ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
FreeCAD - An open-source parametric 3D modeler
mHelpDesk - mHelpDesk is a mobile field service management software.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Forms On Fire - Forms On Fire provides a complete, customizable mobile forms and workflow system that is reliable and secure, works offline or online.